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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-117.877046
Energy at 298.15K 
HF Energy-117.877046
Nuclear repulsion energy75.895419
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3180 3025 0.00 244.81 0.04 0.07
2 A1' 1545 1470 0.00 4.92 0.74 0.85
3 A1' 1247 1187 0.00 28.85 0.09 0.17
4 A1" 1163 1107 0.00 0.00 0.75 0.86
5 A2' 1092 1039 0.00 0.00 0.75 0.86
6 A2" 3273 3114 29.52 0.00 0.75 0.86
7 A2" 865 823 0.80 0.00 0.75 0.86
8 E' 3171 3017 24.32 19.96 0.75 0.86
8 E' 3171 3017 24.32 19.96 0.75 0.86
9 E' 1487 1415 0.96 8.96 0.75 0.86
9 E' 1487 1415 0.96 8.96 0.75 0.86
10 E' 1072 1020 9.44 0.03 0.75 0.86
10 E' 1072 1020 9.44 0.03 0.75 0.86
11 E' 921 876 19.64 14.29 0.75 0.86
11 E' 921 876 19.64 14.29 0.75 0.86
12 E" 3253 3096 0.00 94.05 0.75 0.86
12 E" 3253 3096 0.00 94.05 0.75 0.86
13 E" 1222 1163 0.00 10.58 0.75 0.86
13 E" 1222 1163 0.00 10.58 0.75 0.86
14 E" 745 709 0.00 2.51 0.75 0.86
14 E" 745 709 0.00 2.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18053.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17178.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31G**
ABC
0.67590 0.67590 0.42282

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 0.751 -0.433 0.000
C3 -0.751 -0.433 0.000
H4 0.000 1.456 0.910
H5 1.261 -0.728 0.910
H6 -1.261 -0.728 0.910
H7 0.000 1.456 -0.910
H8 1.261 -0.728 -0.910
H9 -1.261 -0.728 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50121.50121.08432.22772.22771.08432.22772.2277
C21.50121.50122.22771.08432.22772.22771.08432.2277
C31.50121.50122.22772.22771.08432.22772.22771.0843
H41.08432.22772.22772.52262.52261.81983.11053.1105
H52.22771.08432.22772.52262.52263.11051.81983.1105
H62.22772.22771.08432.52262.52263.11053.11051.8198
H71.08432.22772.22771.81983.11053.11052.52262.5226
H82.22771.08432.22773.11051.81983.11052.52262.5226
H92.22772.22771.08433.11053.11051.81982.52262.5226

picture of Cyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 H5 118.100
C1 C2 H8 118.100 C1 C3 C2 60.000
C1 C3 H6 118.100 C1 C3 H9 118.100
C2 C1 C3 60.000 C2 C1 H4 118.100
C2 C1 H7 118.100 C2 C3 H6 118.100
C2 C3 H9 118.100 C3 C1 H4 118.100
C3 C1 H7 118.100 C3 C2 H5 118.100
C3 C2 H8 118.100 H4 C1 H7 114.103
H5 C2 H8 114.103 H6 C3 H9 114.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 C -0.282      
3 C -0.282      
4 H 0.141      
5 H 0.141      
6 H 0.141      
7 H 0.141      
8 H 0.141      
9 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.162 0.000 0.000
y 0.000 -20.162 0.000
z 0.000 0.000 -17.986
Traceless
 xyz
x -1.088 0.000 0.000
y 0.000 -1.088 0.000
z 0.000 0.000 2.176
Polar
3z2-r24.352
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.473 0.000 0.000
y 0.000 4.473 0.000
z 0.000 0.000 4.334


<r2> (average value of r2) Å2
<r2> 43.355
(<r2>)1/2 6.584